Apparatus for polishing explosion engine valves



'Dec. 25, 1934. J. F. TRIAN A APPARATUS FOR POLISHING EXPLOSION ENGINE VALVES Original Filed April 3, 1951 4 Sheets-Sheet l Dec. 25, 1934. J. ETRIANA 1,985,648

APPARATUS FOR POLISHING EXPLOSION ENGINE VALVES Original Filed April 5, 1951 4 Sheets-Sheet 2 Dec. 25, 1934. J. F. TRIANA 1,985,648

APPARATUS FOR POLISHING EXPLOSION ENGINE VALVES Original Filed April 5,1931 4 Sheets-Sheet s O O O 0 O 0 1 Dec. 25, 1934. J F TRMNA 1,985,648

APPARATUS FOR POLISHING EXPLOSION ENGINE VALVES Original Filed April 3, 1931 4 Sheets-Sheet 4 Patented Dec. 25, 1934 i be ii il e' 555 9 9 3 half eertee a s ar voa Ma an s! I Cuba v .v a M ltq ei ifl. h is i application is a substitute for abandoned application527,595,;flled April3,'tl93l-.w:, 2: .2; This invention relates 'to the operationpf polishing the valves often-explosion: engine and .it has r for object to provide an apparatus a for polishing at the same time allsthe valves of the cover of an explosion -engine whichapparatus comprisesasplurality of polishinglvdevices ofyla wellknown type which are adaptedwtol be individually appliedto the valves, anda pluralityof gear mechanisms individually connected to said polishing devices for operating them; the result being that the valves to bet-polished go up and downalternatelmwhereupon allthe valves of'the cover ,of an explosionengine' may be olished-in less timethan an operator would employ inpolishin: only one of them by the'manual means at presentknown. v I e v 1 The inventionis described with reference to'the figures in the accompanyingdrawings, of'which: Fig. Iris atront elevation view of the apparatus. Fig.2:is a top plan view of the same. Fig.3 isan end elevation view of the'same. 1 -1 And Fig. 4is a horizontalzsection on line4+4 otFig.3.- l m 1 in I This apparatus consists or a metallicframework 1 supported onawsuitable table; and on: which frame ispslidably mounted a bench 2=adaptedzto receive the cover of a an? engine whose valves, are: to

be polished, and the: bench can.:bemoved;to@ fore and rear positions transversally. ofithe apparatus. :Ai; the endsot the frametl and rearwardswthe same are amxed twouprightsftijwhichhave their middle: portions; narrowed and their upper h and lower portions; enlarged,;and onthe; upper end portions of said uprightsfiand rearwards the same isrotatablymountedion suitable bearings a horication of avpolishingipaste between theisurfaces' aontal driven shaft 4;.an'd at the middle .of the upperportionsof said. uprights 3 is supported a horizontal pivot-shaftw5 parallel to the shaft 4 andaon which are oscillatably mounted a series of spaced forkedarmsfi which project forwards'and bear; between a the 'fore .endsof their branches, polishing mechanisms which'mayberof any type known; and which comprise individual gear rmechanism 7 which are not describedin detail as the same dovnotr form: a; partyof this invention, and which gear mechanisms are adapted to" actuate rotatory rods 8 having heads 9 adaptedto engage the valves of an explosion engine to cause them to rotate for polishing them'bymeansxof the appliof the valve'an'd its seat. On the horizontalshaft Voteach gear mechanism? is mounted a'sheave l0; and the various sheaves 10 are respectively provided with endless belts 11 passingl'around an; other sheave 12 of smaller diameterjfixed onthe driven shaft 4. ,J'The Iorkedarms lit-rest. uponra horizontal bar 13 supported on the fore ends of levers v14 mountedronhorizontal pivots 15 sup- '1 I application- Serials: him

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and: which levers are connected at theirirear ends, as willhereinafter hedescribed in detail. 7 A On the l w r ha -I QP iD 0 nSa d it upr hts i3 is rotatablymounted a horizontal tcam-shaft 16 I;

provided with a-v series, of, radial;., cams @l 'l spaced r m eachv th r alo s th sha t and ad ptin i n th r wholesi-a h ca a a ements so t the earns '17 may stand in the verticalzcross planes-cor,- responding to the heads ii of? the, polishing rods 8. In; front of ;s aid;1cams 17,; to be actuated by the samej are zrespectively disposed a series' of, cam crank-levers 18 oscillatablymounted; on ahorizon tal shaft; l9 supp orted on the fore Bimini-rocker arms20 fixed to a horizontal shaft; 21 mountedon :the lower portionof the uprights 3;below;the cam,- shaft 16.; g Theithree; horizontal :shafts l6; l9-1and 21 are paralleleto the;driven shafts; The shaft -21"-has ,end connected through a ibGH-l-Qlfillk 122 withna' nut 23; to-whichwis-pivotally connected; the bell-crank I 22; and, which: nut slidably mounted on a horizontal screw :24 t :which is, rotatably mounted: on;a bracket piece 25 fixed at thefront of the apparatus 1-by: 81139111818; iron i26g=to :the "table which supportstheyframeworlc 1-, said screw 24 being provided at itsqfore end; withla handle 27 The. driven; shaftA receivesitsmotion iromany suitable power r'SOlll-CQ through :a: sheavee28 and an endless :be1t.:29,- and at thevsameatimezthes'shaft 4 1 transmits its :motion toithe cam shat I 16; ,by meanswof: .aasmall ,sheave =30rfiXBdEj3O said-shaft at and connected by an endless belt-filrtojasheave of large dianieterfilfixecton a horizontal countershaft'fiaprotatablv mountedzattheimiddle pQrtion OfiOIlBiOfi theuprights 312021 which counter-shaft 33 issecured another smalltsheave 3%i,. onnecte d by an endless .belt; v35 i with asheavegof --smaller di,- ameter 36ifixed to the camshaft-16; thus it being possible that the; cam shait 3:6 may rotate slowly, so that theacams ;;17 may: actuate in sequence a the severallcrankr-leversi l8, causingqthe foreends 37 of thecrank-levers l8 to tgoaupandl down ,alter nativelm whi h endSE a-Ye' a disks-s ap a seen in Fig;- 4; of the drawingsxand are adapted; to receivempon issp a d; n: he

The pperation app ai atll 3; nnies Onceplaced:onthetbenchwzfthecover oflan; ex;-

plosion engine ewhose valves are to be polished, the bench is causedstmrun: towards the, uprights 3- until thezvalvesplaced in theioover may stand vertically beneath the-heads ,3 (if-the polishing rods,;so athat each-head 9 ensase; eac sva ve r ends ofgthe, valve head, as-it is well; known by the experts in the art, and that I the; valve" stems may respectively, rest upon the disks 39 joined to the crank-levers 18.

uprights: a second hogizontalp' qt shaf-t, cam levers oscillatablyfmountedgonithissecbnd horizontal pivot-shaft, shifting means for supporting The handle 2'7 will then be actuated, whereupon-said second pivot-shaft to control the height of the screw 24 will rotate andcause a running;.of.;, gthepositionof the free end of said cam levers, in

the nut 23 pivotally connected to the bell-{crank 22, and this bell-crank will change its angular position, causing a rotation cf;;the shaft-'21 "carrying the rocker-arms 20 which will shift'and' gowns camshaft up along its fore end together with the rods 38, and the latter will cause the. levers 14vto oscillate in order that thefore ends of saidlevers carrying the bar 13 serving as a support for the forked ar'ms 6 may come down, whereupon said forked arms; will come down by gravity and shift on the pivotshaft until the heads 9-of the polishing fro'ds' '8 engage the heads of the-valves of the engine cover. The driven shaft 4"-is-'then'causedto -move by 'means of its connectiomthrough the sheave 28 and the endless belt 29, to the driven shaft of a suitable power source which may be a small electrio motor, and the driven shaft 4-tra nsmits its motion tothe sheaves System30, 32,34 and-36, whereupon the camshaft 16 will rotate slowly and cause toshift alternately by means of the cams 17 the crank-levers 18 which will make the valves-to be polished go up and down, through the disks 37. At the same time the sheaves 12 will transmit the motion of the shaft 4 to the sheaves of the individual gear-mechanisms? by means of the endless belts 1-1, and. the gear mechanisms 7' will cause the polishing rods'8 and their heads 9 to rotate alternately" from right to left and vice versa, whereupon the valves of the engine cover will rotate in the same manner, and the polishing of the valves will be-finished ina short time.

seen, bymeans of this apparatus all the valves of the coverof an engine can bepolished at the same time, employing for suchoperation less time than would be-employed by an operator for manually polishing only one valve. J v

It'is obvious that'the structure'of theapparatus and the construction details'of the parts thereof maybe varied, without by this reason'it maybe considered asaltered the essential character of the inventionjwhich such as claimed hereinafter.- What-I'claimisf r l.'-An apparatus forpolishing explosion engine valves, comprising a supporting framework-,'a-

bench on the frame work adapted to support the valve carrying cover of an engine, uprights on the framework, a-driven horizontal shaft and a horizontal pivot-shaft parallel to the former shaft, both shafts-being mounted on the upper portion of the 1 uprights, a series of polishing mechanisms oscillatably mounted on said pivotshaft, means-forindividually operating each of "said polishing mechanisms from said driven shaft, a' cam shaft rotat'ably mounted on the lower'por- -tion of the uprights, and cam levers oscillatably mountedand'adapted'to individually receive on their free ends the ends of the valve stems;

2. An apparatusfor polishing explosion engine valve'sycomprising a supporting framework, a

bench on the framework which is adapted to support the valve carrying cover of an engine, up-

rights on the framework, a driven horizontal shaft mounted on 'said pivot-shaft, individual means for operating 'each of said polishing mechanisms from said driven shaft, a shaft having spaced cams in helical arrangement on the same and rotatably mcunted on the lower portion of the forder' that the free ends, of said cam levers may individually receive the ends of the valve stems, {and meansffer 'giving' a slow-rotating motion to 'orn' .s'aid driven shaft. 3. An apparatus for polishing explosion engine valves, comprising a" supporting framework, a bench slidable on' the framework and adapted to "support the "valve carrying cover of an engine, uprights on the framework, a horizontal driven shaft and a horizontal pivot-shaft in para11e1ism and 'bo'th mounted 0n the" upper* phrtion' of the j-iiprights, a serie's'of polishing 'devices-shifting means for supporting the polishing devi-ces on s'aidipivotshaft, individual meansfor operating each' of said polishing devices from"s aiddriven' shaft,' a shaft having spaced cams in 'helical arrangement on the same and rotatably mounted on the lower portion of the uprightsia secondh'orizont'al pivotshaft parallel to. the cam shaft, crank-leversoscil latably mounted on saidsecond pivot-shaft, shifting means for'supporting said second pivot-shaft to control the height *of 'the position of the free end of said crank-levers in order that the area end of said levers'mayindividua'lly receive the ends of the valve stems,"c'onnecting means betweenithe supportsfor the' polishing mechanisms and the supports for the cam levers so that "when the former are lowered the latter are raised, and means for giving a slow rotating'motion to the cam shaft from said driven shaft. I '4. An app'ar'atus'for polishing explosion engin valves, comprising a supporting framework,- a bench 1 slidable' on the framework and adapted to support the valveficarrying cover of an engine, uprights on the framework, a horizontal-driven shaft and a" horizontal pivot-shaft in' parallelism and both mounted on the "upper portion'ofthe uprights," 'a" series of forked' arms cscillatably mounted 'on the'pivot shafh aseries of polishing mechanisms'individually mounted on each of'said oscillatably forked arms, levers pivotallymounted on the upper. portion of the-uprights and carrying a longitudinalbar adapted to'serve as. asupport for'the arms .carrying'the polishing devices,

individual means for-operating each of said polishing mechanisms from sa'i'd driven shaft, a shaft having gspaced cams in helical arrangement on the same and rotatablyumounted on the*lower portion of the uprights; a second pivot-shaft parallel to the cam shaft, crank-leversoscillatably mounted. o'n- 'said second "horizontal pivot-shaft, rocker arms supporting I said second pivot-shaft and mounted'ona horizontal shaft-parallel to the cam shaft and "rotatably mounted "on the lower portion of the uprights; a system ofslidable nut'and rotatorysc'rew,"a bell-crank fixed tozthe horizontal shaft carrying the rocker-arms and pivotally connected'to said nut to controlthe height cf'the' position of the free-end of said crank-levers, in order'tha'tcthe free endof said levers may individuallyreceivethe ends of the valve' stems, a: handle for causing the rotation of the F screws,- =rods connecting the pivot-shaft supporting ends ofthe rocker-arms to :the opposed endsof the levers carrying the bar supporting HIJUAN FERNANDEZ TRIANAQ 

